On a day when all the five games were drawn, Fabiano Caruana of the United States maintained his sole lead on 3.5 points.
Winning with the black pieces, Praggnanandhaa came within striking distance of the sole leader in the ten-player round-robin event that still has three rounds remaining.
Uzbekistan's Nodirbek Abdusattorov, Anish Giri from Holland and D Gukesh are now giving Praggnanandhaa the company at the top of the table, with 5.5 points from the first nine rounds.
Year Ender 2023: From Guneet Monga to Grandmaster R. Praggnanandhaa, as the year comes to a close, let us look at the people who ruled on the hearts of the nation with stellar achievements in their respective fields.
Grandmasters Vidit Gujarathi, Arjun Erigaisi and R Gukesh, along with veteran Pentala Harikrishna are the other member as part of the Hangzhou-bound men's squad.
The 18-year old Indian GM was impressive against a fancied and higher rated opponent and forced a stalemate in 35 moves while playing white pieces.
After the two-game classical series ended 1-1, the 18-year-old Indian prodigy outlasted the highly-rated American GM in a battle of wits in a nerve-wracking tie-breaker.
R Praggnanandhaa's mother, Nagalakshmi, was overcome with emotions as her son gave interviews and autographs. The 18-year-old Chess Grandmaster is the second one to reach the semi-finals after Vishwanathan Anand.
Praggnanandhaa (Elo 2642) finished a full point ahead of second-placed IM Marsel Efroimski (Israel) and IM Jung Min Seo (Sweden).